could waitress
Verbo regular: waitress - waitressed- waitressed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could waitress
you could waitress
he could waitress
we could waitress
you could waitress
they could waitress 	I could be waitressing
you could be waitressing
he could be waitressing
we could be waitressing
you could be waitressing
they could be waitressing	I could have waitressed
you could have waitressed
he could have waitressed
we could have waitressed
you could have waitressed
they could have waitressed	I could have been waitressing
you could have been waitressing
he could have been waitressing
we could have been waitressing
you could have been waitressing
they could have been waitressing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't waitress
you couldn't waitress
he couldn't waitress
we couldn't waitress
you couldn't waitress
they couldn't waitress 	I couldn't be waitressing
you couldn't be waitressing
he couldn't be waitressing
we couldn't be waitressing
you couldn't be waitressing
they couldn't be waitressing	I couldn't have waitressed
you couldn't have waitressed
he couldn't have waitressed
we couldn't have waitressed
you couldn't have waitressed
they couldn't have waitressed	I couldn't have been waitressing
you couldn't have been waitressing
he couldn't have been waitressing
we couldn't have been waitressing
you couldn't have been waitressing
they couldn't have been waitressing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I waitress?
could you waitress?
could he waitress?
could we waitress?
could you waitress?
could they waitress? 	could I be waitressing?
could you be waitressing?
could he be waitressing?
could we be waitressing?
could you be waitressing?
could they be waitressing? 	could I have waitressed?
could you have waitressed?
could he have waitressed?
could we have waitressed?
could you have waitressed?
could they have waitressed? 	could I have been waitressing?
could you have been waitressing?
could he have been waitressing?
could we have been waitressing?
could you have been waitressing?
could they have been waitressing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I waitress?
couldn't you waitress?
couldn't he waitress?
couldn't we waitress?
couldn't you waitress?
couldn't they waitress? 	couldn't I be waitressing?
couldn't you be waitressing?
couldn't he be waitressing?
couldn't we be waitressing?
couldn't you be waitressing?
couldn't they be waitressing? 	couldn't I have waitressed?
couldn't you have waitressed?
couldn't he have waitressed?
couldn't we have waitressed?
couldn't you have waitressed?
couldn't they have waitressed? 	couldn't I have been waitressing?
couldn't you have been waitressing?
couldn't he have been waitressing?
couldn't we have been waitressing?
couldn't you have been waitressing?
couldn't they have been waitressing?